BEST A.I. by AI has sold 250,000 copies in Japan.
BEST A.I. certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
250,000 | 1x Platinum | October 2009 |
Japan Sales: 250,000
Certification / note: 1x Platinum
Certification Date / sales as of: October 2009
|
| Total sales | 250,000 | (in 1 country) |
Total
Sales: 250,000
(in 1 country)
|
Year-end chart performance for BEST A.I.
| Chart 2009 | Rank | Sales |
| Japanese Albums (Oricon) |
32 | 227,143 |